Articles | Volume 11, issue 8
Atmos. Meas. Tech., 11, 4797–4807, 2018
https://doi.org/10.5194/amt-11-4797-2018
Atmos. Meas. Tech., 11, 4797–4807, 2018
https://doi.org/10.5194/amt-11-4797-2018

Research article 16 Aug 2018

Research article | 16 Aug 2018

Portable ozone calibration source independent of changes in temperature, pressure and humidity for research and regulatory applications

John W. Birks et al.

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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by Andrew Turnipseed on behalf of the Authors (02 Jul 2018)  Author's response    Manuscript
ED: Publish subject to minor revisions (review by editor) (18 Jul 2018) by Andreas Hofzumahaus
AR by Andrew Turnipseed on behalf of the Authors (23 Jul 2018)  Author's response    Manuscript
ED: Publish as is (30 Jul 2018) by Andreas Hofzumahaus
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Short summary
A highly portable ozone calibration source based on the photolysis of oxygen is described and evaluated. The ozone mixing ratio produced is independent of both pressure and temperature, and humidity effects are small and correctable. The resulting O3 calibrator has a response time < 20 s, a precision of 0.4 %, and can serve as a U.S. EPA level 4 transfer standard for the calibration of ozone analyzers.